B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
90/38
B23D 1/00 (2006.01) B23D 79/02 (2006.01)
Patent
CA 1213455
Self-Positioning Scarfing Apparatus Abstract A self-positioning scarfing apparatus in- cludes a plurality of sensing wheels and scarfing tools, each sensing wheel and scarfing tool defining an operative set mounted on a common support and biased by a biasing device, such as a spring assembly or hy draulic cylinder, into engagement with an elongated weld on a workpiece. One operative set is mounted on each end of a yoke, which is in turn mounted for movement relative to the workpiece. In one embodiment, the yoke is mounted for pivotal movement with respect to the workpiece. In an alternate embodiment, a positioning wheel is mounted in the yoke for engagement with the workpiece, and the yoke is mounted for biased reciprocation to a hydraulic cylinder or spring as- sembly. Apparatus identical to that just described is positioned on the opposite side of the workpiece for scarfing the opposite side.
448385
Foster Wheeler Energy Corporation
Meredith & Finlayson
LandOfFree
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